CVE-2026-52855: pterodactyl wings
Vulnerability summary
CVE-2026-52855 is a critical (CVSS 9.9) vulnerability in pterodactyl wings. EPSS estimates a 0.51% chance of exploitation in the next 30 days, higher than 42.3% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 2 · Related 2Timeline
- 31-07-2026PublishedVulnerability first disclosed.
- 31-07-2026Last modifiedVulnerability information updated.
Description
Wings is the server control plane for Pterodactyl, a free, open-source game server management panel. Prior to 1.12.3, {{config.}} placeholders in egg configuration-file templates allow a low-privileged user to read {{config.token}}, {{config.token_id}}, and {{config.docker.registries}} from the full daemon configuration. This issue is fixed in version 1.12.3.
CVSS metrics
3 scores · 3 sources · 1 version- OSV · GoEcosystem advisory · calculated9.9CriticalCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- NVDNIST9.9CriticalCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS trend
Probability
0.51%
Chance of exploitation in the next 30 days
Percentile
42%
Versus all other CVEs
30-day change
+0.22 pp
From 0.29% on 22-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-200Exposure of Sensitive Information to an Unauthorized ActorThe product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.
- CWE-522Insufficiently Protected CredentialsThe product transmits or stores authentication credentials, but it uses an insecure method that is susceptible to unauthorized interception and/or retrieval.
Affected systems
Github.com/pterodactyl1 product
- wings< 1.12.3
Pterodactyl1 product
- wings< 1.12.3
2 vendors · 2 products
References
4 links- github.com/pterodactyl/wingsPACKAGE